DNA Marker Index information for Chromosome: Y Marker: FGC50490Names and Aliases for this DNA Marker: FGC50490, rs910825345.Chromosome Position in hg38 Human Genome assembly1: 20919356.Chromosome Position in hg19 assembly2: 23081242 .Ancestral marker allele value: C.Derived, alternative, or mutated marker allele value: T.